Feature 1 It can be taken as electronic constant current load, USB tester,cable detector. Built-in intelligent temperature control and large power auto protection, safe discharge 2 One screen multi group data Display 3 Support QC2.0 compatible QC3.0 quick voltage range test 4 Power down data retention charging time protection 5 Voltage display, Current display, capacity display, Electrical voltage display, Power display, Timing display Features: It can be taken as electronic constant current load, USB tester,cable detector. Built-in intelligent temperature control and large power auto protection, safe discharge. Take-all Measurement One screen multi group data Display Support QC2.0 compatible QC3.0 quick voltage range test Power down data retention charging time protection Voltage display, Current display, capacity display, Electrical voltage display, Power display, Timing display Real-time monitoring Power Test: 185W optional Voltage:0-200V Current:0-20A Industrial grade long life 185W power continuous discharge USB Dual Adjustment accuracy Electronic Load discharge Industrial discharge load USB tester Specifications: Input interface/Output interface:100A large current occluding screw column Voltage testing range:0.00V~200V;Resolution accuracy:0.05V Current testing range:0.00A~20A;Resolution accuracy:0.05A Capacity accumulated range:0~999.999Ah;Resolution accuracy:0.01Ah Electricity accumulated range:0~9999.9Wh;Resolution accuracy:0.01Wh Power measurement range:0~2999.99W;Resolution accuracy:0.01W Impedance measurement range:1~999.9 ohm;Resolution accuracy:0.01ohm Temperature measurement range:0~99,0~99;Resolution accuracy:1 Timing the maximum time:999 hours 59minutes 59 seconds;Resolution accuracy:1s Timing testing alarm setting:count down 24 hours Arbitrary setting value Small current standby alarm threshold parameter and timing:<2W/0.5 hour; >0.5W begin timing 4~30V DC voltage provides electricity for testing system Refresh time:>500mS/times;> 500mS/times Testing speed rate:about 2 times/s Over voltage over current setting alarm method:display warming interface alrm users Over voltage warning setting range:1~200V Low voltage warning setting range:0~190V Over current warming setting range:0.2~100A Maximum power: 185W (more than 185W will send a quick alarm to cut off the output current and protect the product) Display screen type:micro power consumption crystal module LCM black font green backlight Chinese English display screen Working temperature:-10~+60; -10~+60 Working humidity:10~80 (no condensation);10~80(no doubt) Working gas pressure:80~106kPa - When the power is > 0.5W, the time will be calculated. Size:15.6 x 13 x 9.6cm/6.1 x 5.1 x 3.8inch Weight:700g Operation method: Keystrokes using method and the capacity, power,time reset Settings: 1) Reset button long-press all data (mAh,Wh,00:00:00) 2) Quickly button twice - capacity Reset (mAh) 3) Quickly button three - power reset (Wh) 4) Quickly button four - time reset (00:00:00) 5) Quickly button five - Set up automatic standby and Discharge the countdown to remind regularly 6)When no load output no-load,quick seven keys,and for the current zero to zero in the current environment temperature for accurate calibration,so more can do more accurate measurement in small current. Package Included: 1 x 185W USB Mobile Power Tester 1 x Charger(US Plug) 2 x Crocodile clip cable Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.